Angewandte Chemie,
Год журнала:
2024,
Номер
136(48)
Опубликована: Авг. 28, 2024
Abstract
Monocomponent
catalysts
exhibit
the
limited
catalytic
conversion
of
polysulfides
due
to
their
intrinsic
electronic
structure,
but
activity
can
be
improved
by
introducing
heteroatoms
regulate
its
structure.
However,
rational
selection
principles
doping
elements
remain
unclear.
Here,
we
are
guided
theoretical
calculations
select
suitable
based
on
balanced
relationship
between
adsorption
strength
lithium
(LiPSs)
and
sulfide.
We
apply
screening
method
develop
a
new
catalyst
phosphorus
doped
RuSe
2
,
manifesting
further
enhanced
conductivity
compared
with
original
facilitating
charge
transfer
modulating
d‐band
center
thereby
augmenting
effectiveness
in
interacting
LiPSs.
Consequently,
assembled
cell
exhibits
an
areal
capacity
7.7
mAh
cm
−2
even
under
high
sulfur
loading
8.0
mg
lean
electrolyte
condition
(5.0
μL
−1
).
This
strategy
offers
robust
solution
for
design
advanced
field
lithium‐sulfur
batteries
potentially
other
domains
as
well.
Lithium-sulfur
batteries
(LSBs)
showcase
great
promise
for
large-scale
energy
storage
systems,
however,
their
practical
commercialization
is
seriously
hindered
by
the
sluggish
redox
reaction
kinetics
and
detrimental
shuttle
effect
of
soluble
polysulfides.
Herein,
small
ZnTe
Angewandte Chemie,
Год журнала:
2024,
Номер
136(48)
Опубликована: Авг. 28, 2024
Abstract
Monocomponent
catalysts
exhibit
the
limited
catalytic
conversion
of
polysulfides
due
to
their
intrinsic
electronic
structure,
but
activity
can
be
improved
by
introducing
heteroatoms
regulate
its
structure.
However,
rational
selection
principles
doping
elements
remain
unclear.
Here,
we
are
guided
theoretical
calculations
select
suitable
based
on
balanced
relationship
between
adsorption
strength
lithium
(LiPSs)
and
sulfide.
We
apply
screening
method
develop
a
new
catalyst
phosphorus
doped
RuSe
2
,
manifesting
further
enhanced
conductivity
compared
with
original
facilitating
charge
transfer
modulating
d‐band
center
thereby
augmenting
effectiveness
in
interacting
LiPSs.
Consequently,
assembled
cell
exhibits
an
areal
capacity
7.7
mAh
cm
−2
even
under
high
sulfur
loading
8.0
mg
lean
electrolyte
condition
(5.0
μL
−1
).
This
strategy
offers
robust
solution
for
design
advanced
field
lithium‐sulfur
batteries
potentially
other
domains
as
well.